2681080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 6103440

約数和(自身を除く): 3422360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 691, 776, 970, 1382, 1940, 2764, 3455, 3880, 5528, 6910, 13820, 27640, 67027, 134054, 268108, 335135, 536216, 670270, 1340540, 2681080]

約数ペア:

[(1, 2681080), (2, 1340540), (4, 670270), (5, 536216), (8, 335135), (10, 268108), (20, 134054), (40, 67027), (97, 27640), (194, 13820), (388, 6910), (485, 5528), (691, 3880), (776, 3455), (970, 2764), (1382, 1940)]